package org.csmzxy.class2334;

class BnkAccount{
    String accountNumber;
    double balance;
    public void broadcast(String accountNumber, double balance){
        System.out.println("账户" + accountNumber + "的余额为" + balance + "元");
    }
}
    public class Example03 {
        public static void main (String[] args){
            BnkAccount account = new BnkAccount();
            account.accountNumber = "123456";
            account.balance = -500;
            account.broadcast(account.accountNumber,account.balance);
        }
    }

